(A)General triaxial stress ellipsoid in perspective view. (B)Views normal to each of the principal planes of the ellipsoid. (After W.D. Means,1976)

OBSERVATION OF TECTONIC SAMPLES Observe tectonic samples in the STRUCTURAL SCOPE. Discuss what you observed with your group members. Select one representative of the group to exchange ideas with other groups in the class

Planar fabric Linear fabric and the size and elements In one dimension is Are parallel to much Longer than that in one another the other two dimensions

INTRODUCTION TO STEREOGRAPHIC PROJECTIONS Basic principles Basic procedures Exercise in class

hinge lines axis A axial plane axial surface B (imaginary) Axis axial plane and axial surface

hangingwall ramp A- Ramps and flats hangingwall B-Hangingwall ramp and footwall footwall ramp footwall ramp B C-? thrust sequence New thrusts develop in the footwall

hangingwall ramp A- Ramps and flats hangingwall B-Hangingwall ramp and footwall footwall ramp footwall ramp B C-? thrust sequence New thrusts develop in the footwall

山地、丘陵、平原、高原、盆地、洼地、大陆架、大陆坡、大陆基、海岭、海沟、海山、大洋中脊、中央裂谷、大洋盆地、活动大陆边缘、稳定大陆边缘

9.3.1 中国三叠纪的地史 Triassic geohistory 9.3.2 中国侏罗纪和白垩纪的地史 Jurassic and Cretaceous geohistory 9.4 中生代的板块构造概要 Outline of Mz plate tectonics 9.5 中生代的古气候及矿产 Mesozoic climate and ore deposits

人教版高中地理必修1第三章第二节 大规模的海水运动习题(3)